Subversion Repositories HelenOS

Rev

Go to most recent revision | Details | Last modification | View Log | RSS feed

Rev Author Line No. Line
4377 svoboda 1
/*
2
 * Copyright (c) 2009 Jakub Jermar
3
 * All rights reserved.
4
 *
5
 * Redistribution and use in source and binary forms, with or without
6
 * modification, are permitted provided that the following conditions
7
 * are met:
8
 *
9
 * - Redistributions of source code must retain the above copyright
10
 *   notice, this list of conditions and the following disclaimer.
11
 * - Redistributions in binary form must reproduce the above copyright
12
 *   notice, this list of conditions and the following disclaimer in the
13
 *   documentation and/or other materials provided with the distribution.
14
 * - The name of the author may not be used to endorse or promote products
15
 *   derived from this software without specific prior written permission.
16
 *
17
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
 */
28
 
29
/** @addtogroup generic
30
 * @{
31
 */
32
/** @file
33
 */
34
 
35
#ifndef KERN_EVENT_H_
36
#define KERN_EVENT_H_
37
 
38
#include <ipc/event_types.h>
39
#include <arch/types.h>
40
#include <synch/spinlock.h>
41
#include <ipc/ipc.h>
42
 
43
/** Event notification structure. */
44
typedef struct {
45
    SPINLOCK_DECLARE(lock);
46
 
47
    /** Answerbox for notifications. */
48
    answerbox_t *answerbox;
49
    /** Method to be used for the notification. */
50
    unative_t method;
51
    /** Counter. */
52
    count_t counter;
53
} event_t;
54
 
55
extern void event_init(void);
56
extern unative_t sys_event_subscribe(unative_t, unative_t);
57
extern bool event_is_subscribed(event_type_t);
58
extern void event_cleanup_answerbox(answerbox_t *);
59
 
60
#define event_notify_0(e) \
61
    event_notify((e), 0, 0, 0, 0, 0)
62
#define event_notify_1(e, a1) \
63
    event_notify((e), (a1), 0, 0, 0, 0)
64
#define event_notify_2(e, a1, a2) \
65
    event_notify((e), (a1), (a2), 0, 0, 0)
66
#define event_notify_3(e, a1, a2, a3) \
67
    event_notify((e), (a1), (a2), (a3), 0, 0)
68
#define event_notify_4(e, a1, a2, a3, a4) \
69
    event_notify((e), (a1), (a2), (a3), (a4), 0)
70
#define event_notify_5(e, a1, a2, a3, a4, a5) \
71
    event_notify((e), (a1), (a2), (a3), (a4), (a5))
72
 
73
extern void event_notify(event_type_t, unative_t, unative_t, unative_t,
74
    unative_t, unative_t);
75
 
76
#endif
77
 
78
/** @}
79
 */